Airgas Announces Second Quarter Earnings Release Schedule

RADNOR, PA - September 27, 2011 - Airgas, Inc. (NYSE: ARG) will release its fiscal 2012 second quarter earnings before the market opens on Thursday, October 27, 2011, and will host a teleconference at 10:00 a.m. ET that same day. The presentation materials will also be available before the market opens on October 27 on the Internet at http://investor.shareholder.com/arg/slides.cfm. A webcast of the teleconference will be available live and on demand through November 25 at http://investor.shareholder.com/arg/events.cfm.

The teleconference will be available by calling 888-490-2763. A replay of the teleconference will be available through November 4. To listen, call 888-203-1112 and enter passcode 3848550.

About Airgas, Inc.
Airgas, Inc. (NYSE: ARG), through its subsidiaries, is the largest U.S. distributor of industrial, medical, and specialty gases, and hardgoods, such as welding equipment and supplies. Airgas is also one of the largest U.S. distributors of safety products, the largest U.S. producer of nitrous oxide and dry ice, the largest liquid carbon dioxide producer in the Southeast, and a leading distributor of process chemicals, refrigerants, and ammonia products. More than 14,000 employees work in approximately 1,100 locations, including branches, retail stores, gas fill plants, specialty gas labs, production facilities and distribution centers. Airgas also distributes its products and services through eBusiness, catalog and telesales channels. Its national scale and strong local presence offer a competitive edge to its diversified customer base. For more information, please visit www.airgas.com.